eEvolution Journal
THE NOTEBOOK

All Notes

Turning scattered thoughts into accessible field notes.

Learning   /   2026.10.16 ↗

Why Reading English Feels Painfully Linear: Transitioning from Subvocalization to Parallel Chunking

Why native Chinese speakers scan paragraphs effortlessly in Chinese yet regress into word-by-word subvocalization in English. An engineering inquiry into orthographic decoding, visual fixation vs. cognitive attention, and structural chunking.

reading-efficiency · chunking · subvocalization · language-learning · cognitive-load   ·   ~5 min read
Finance   /   2026.10.16 ↗

Dissecting Forward-Looking Returns and Fixed Income Pricing: From Grinold-Kroner to Path-Dependent Valuation

From building forward-looking equity risk premiums via the Grinold-Kroner model, to M&A bootstrapping illusions, harmonic mean valuation multiples, MBS path dependency, and Duration Times Spread (DTS), a structured inquiry into fundamental asset pricing.

grinold-kroner · equity-risk-premium · fixed-income · valuation · quantitative-finance   ·   ~6 min read
Learning   /   2026.10.16 ↗

Why Chatting with AI Feels Effortless While Reading Feels Exhausting: Cognitive Anchors and Processing Bandwidth

Why interactive dialogue with LLMs or technical 1-on-1s feels energizing, while reading books can drain cognitive bandwidth in minutes. An inquiry into cognitive anchors, bounded communication, and how seasoned readers leverage 80% pattern recognition to harvest 20% novel insight.

cognitive-anchor · active-learning · reading-methods · dialogic-inquiry · mental-models   ·   ~5 min read
Sports   /   2026.10.15 ↗

Why Smashes and Serves Hurt Your Shoulder: Joint Centration, Kinetic Chain Braking, and the Follow-Through Truth

Deep shoulder aches after overhead smashes and serves stem from treating the shoulder as an acceleration motor. Biomechanically, it must act as a rigid centripetal anchor.

badminton · tennis · shoulder-health · biomechanics · kinetic-chain   ·   ~4 min read
Sports   /   2026.10.15 ↗

Seven Pitfalls When Transitioning from Badminton to Tennis: Kinetic Chain Rebuilding

Explosive agility transfers well, but wrist snaps and abrupt deceleration become chronic bottlenecks. A systematic breakdown of seven common technical traps and biomechanical fixes.

badminton · tennis · motor-learning · kinetic-chain · biomechanics   ·   ~5 min read
Sports   /   2026.10.14 ↗

Why Expanding My Takeback Unlocked Penetration on the Forehand

My forehand consistently landed shallow until I realized the takeback isn't about dropping the arm—it's about coiling the torso and back to load an elastic spring.

tennis · forehand · kinetic-chain · topspin · biomechanics   ·   ~3 min read
Finance   /   2026.10.12 ↗

Two Years After the CFA: What Endures After the Formulas Fade

Thousands of obscure accounting rules and derivatives formulas fade with time. What remains in your bones are three enduring mental models and a permanent shift toward probabilistic thinking.

cfa · mental-models · financial-research · probabilistic-thinking   ·   ~4 min read
Finance   /   2026.10.10 ↗

Deconstructing PEAD: Post-Earnings Announcement Drift and a Screening Framework

Efficient market theory assumes immediate repricing on earnings release, yet empirical drift often persists for weeks. An analysis of behavioral drivers and an actionable screening model.

pead · financial-research · quantitative · market-structure   ·   ~4 min read
Sports   /   2026.10.09 ↗

Why Expanding My Takeback Made My Forehand Click

A small adjustment in my preparation changed how I think about space, timing, and counter-intuitive mechanics in tennis.

tennis · forehand · backswing · kinetic-chain   ·   ~2 min read
Technology   /   2026.10.08 ↗

Four Years as a Software Engineer: How My Perspective on the Craft Evolved

Fresh out of college, I thought great engineering meant writing the cleverest algorithms and abstractions. Four years in, code is the cheapest byproduct; the durable value lies in respecting the actual problem and closing the loop end-to-end.

software-engineering · career · system-design · ai-applications   ·   ~4 min read
Sports   /   2026.10.07 ↗

The Habits We Smuggle from Badminton into Tennis

Old muscle memory is a helpful starting point, but it quickly becomes an invisible ceiling.

badminton · tennis · motor-learning · kinetic-chain   ·   ~1 min read
Life   /   2026.10.05 ↗

Why Tennis Began to Bring Me More Joy than Badminton

After a decade on the badminton court, I thought nothing could match its explosive rush. Then I hit a clean, penetrating topspin forehand in the open air.

tennis · badminton · flow-state · sports · kinetic-chain   ·   ~4 min read
Finance   /   2026.10.04 ↗

Building Research Notes That Can Be Proven Wrong

Separating facts from narratives so your future self can see where your reasoning actually failed.

financial-research · mental-models · empirical-investing   ·   ~1 min read
Technology   /   2026.10.03 ↗

Using AI vs. Making Things with AI

The difference between asking for an answer and shipping something that actually holds up in use.

ai-applications · software-engineering · side-project   ·   ~1 min read
Learning   /   2026.10.02 ↗

Between Knowing and Doing

The distance from 'I understand this' to 'I can actually do this' is where real practice begins.

learning-framework · deliberate-practice · cognition   ·   ~1 min read
Life   /   2026.10.01 ↗

Documenting a Mind in Motion

Some notes are useful to others; others matter only to yourself. Both belong here.

life · long-game · reflection   ·   ~1 min read
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